michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: can: mcp2515: add support for multiple device instances

Browse source 
Add support for multiple MCP2515 CAN controller device instances.

Fixes: #51458

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2022-10-23 09:12:42 +02:00 • committed by Carles Cufí
commit 58afbc8f26
1 changed files with 30 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

61
drivers/can/can_mcp2515.c
View file

@ -1031,35 +1031,34 @@ static int mcp2515_init(const struct device *dev)
return ret; return ret;
} }
#if DT_NODE_HAS_STATUS(DT_DRV_INST(0), okay) #define MCP2515_INIT(inst) \
static K_KERNEL_STACK_DEFINE(mcp2515_int_thread_stack_##inst, \
CONFIG_CAN_MCP2515_INT_THREAD_STACK_SIZE); \
\
static struct mcp2515_data mcp2515_data_##inst = { \
.int_thread_stack = mcp2515_int_thread_stack_##inst, \
.tx_busy_map = 0U, \
.filter_usage = 0U, \
}; \
\
static const struct mcp2515_config mcp2515_config_##inst = { \
.bus = SPI_DT_SPEC_INST_GET(inst, SPI_WORD_SET(8), 0), \
.int_gpio = GPIO_DT_SPEC_INST_GET(inst, int_gpios), \
.int_thread_stack_size = CONFIG_CAN_MCP2515_INT_THREAD_STACK_SIZE, \
.int_thread_priority = CONFIG_CAN_MCP2515_INT_THREAD_PRIO, \
.tq_sjw = DT_INST_PROP(inst, sjw), \
.tq_prop = DT_INST_PROP_OR(inst, prop_seg, 0), \
.tq_bs1 = DT_INST_PROP_OR(inst, phase_seg1, 0), \
.tq_bs2 = DT_INST_PROP_OR(inst, phase_seg2, 0), \
.bus_speed = DT_INST_PROP(inst, bus_speed), \
.osc_freq = DT_INST_PROP(inst, osc_freq), \
.sample_point = DT_INST_PROP_OR(inst, sample_point, 0), \
.phy = DEVICE_DT_GET_OR_NULL(DT_INST_PHANDLE(inst, phys)), \
.max_bitrate = DT_INST_CAN_TRANSCEIVER_MAX_BITRATE(inst, 1000000), \
}; \
\
DEVICE_DT_INST_DEFINE(inst, &mcp2515_init, NULL, &mcp2515_data_##inst, \
&mcp2515_config_##inst, POST_KERNEL, CONFIG_CAN_INIT_PRIORITY, \
&can_api_funcs);
static K_KERNEL_STACK_DEFINE(mcp2515_int_thread_stack, DT_INST_FOREACH_STATUS_OKAY(MCP2515_INIT)
CONFIG_CAN_MCP2515_INT_THREAD_STACK_SIZE);
static struct mcp2515_data mcp2515_data_1 = {
.int_thread_stack = mcp2515_int_thread_stack,
.tx_busy_map = 0U,
.filter_usage = 0U,
};
static const struct mcp2515_config mcp2515_config_1 = {
.bus = SPI_DT_SPEC_INST_GET(0, SPI_WORD_SET(8), 0),
.int_gpio = GPIO_DT_SPEC_INST_GET(0, int_gpios),
.int_thread_stack_size = CONFIG_CAN_MCP2515_INT_THREAD_STACK_SIZE,
.int_thread_priority = CONFIG_CAN_MCP2515_INT_THREAD_PRIO,
.tq_sjw = DT_INST_PROP(0, sjw),
.tq_prop = DT_INST_PROP_OR(0, prop_seg, 0),
.tq_bs1 = DT_INST_PROP_OR(0, phase_seg1, 0),
.tq_bs2 = DT_INST_PROP_OR(0, phase_seg2, 0),
.bus_speed = DT_INST_PROP(0, bus_speed),
.osc_freq = DT_INST_PROP(0, osc_freq),
.sample_point = DT_INST_PROP_OR(0, sample_point, 0),
.phy = DEVICE_DT_GET_OR_NULL(DT_INST_PHANDLE(0, phys)),
.max_bitrate = DT_INST_CAN_TRANSCEIVER_MAX_BITRATE(0, 1000000),
};
DEVICE_DT_INST_DEFINE(0, &mcp2515_init, NULL,
&mcp2515_data_1, &mcp2515_config_1, POST_KERNEL,
CONFIG_CAN_INIT_PRIORITY, &can_api_funcs);
#endif /* DT_NODE_HAS_STATUS(DT_DRV_INST(0), okay) */